| Symbol |
Na |
|
| Atomic Number |
11 |
Relative Atomic Mass
12C = 12.0000 |
22.989768 |
Atomic Radius
pm |
154 |
First Ionisation Energy
kJ mol-1 |
495.8 |
| Electronegativity |
0.93 |
Density
kg m-3 |
971 [293 K]
928 [l., m.p.] |
Molar Volume
cm3 |
23.68 |
Thermal Conductivity
W m-1 K-1 |
141 [300 K] |
Melting Point
K |
370.96 |
Boiling Point
K |
1156.1 |
| Number of Isotopes |
14 |
Ground State Electron
Configuration |
[Ne]3s1 |
| Term Symbol |
2S1/2 |
| Discovery |
Discovered by Sir H. Davey (London, England) in 1807 |
| Name Derived From |
English soda; Latin natrium |
Name in Other
Languages |
 Croatian | Natrij |
 Danish | natrium |
 Dutch | natrium |
 Finnish | natrium |
 French | sodium |
 German | Natrium |
 Italian | sodio |
 Norwegian | natrium |
 Portuguese | sódio |
 Spanish | sodio |
 Swedish | natrium |
| Peter van der Krogt's Element Multidict - element name translations in over 48 langauges |
